advection

The numerical method for the inverse problem of second-dimensional advection-dispersion-reaction equations is discussed in the article.

摘要讨论了一类二 维 对流反应扩散方程反问题的数值解法.

The results show that the dynamic functions of thermal advection, vorticity advection, coastal frontogenesis and air jet stream made great contribution to the explosive development of the cyclone.

结果表明，温度平流和涡度平流、沿岸锋生以及高空急流的动力作用对气旋暴发性发展有重要贡献。

The QBC difference scheme is successfully used in the advection part, which saves the calculation period and avoids the numerical dissipation and oscillation.

成功地将QBC差分格式应用于大涡模拟对流项中，既即缩短了计算时间，亦可消除数值耗散和振荡。

Based on the one-dimensional advection-diffusion model, we quantitatively estimate the eddy diffusivity and the associated nutrient fluxes. The findings provide the basis for the scientific management in the coastal area.

以一维平流-扩散模型为基础，定量认识海洋水体平流和扩散过程、评估其输送的营养盐通量，为海岸带及近海海域的科学管理提供依据。

Potential ability of prediction the advection fog by WRF model is proved to some extent.

WRF模式对平流雾的形势及物理量场的模拟是成功的，显示了WRF模式预报平流雾的潜在能力。

To determine extent of the effect of groundwater advection on U-type vertical underground heat exchangers, based on a mathematics model considering thermal conduction and groundwater advection, utilizes an overall solution to obtain the whole temperature field including fluid in pipe, pipe wall and surrounding soil.

为确定地下水渗流对U型地下埋管换热器的影响，基于热渗耦合作用下的数学模型，采用整体求解方法求得管内流体、地下埋管换热器及周围土壤的温度场数值解。

Nonetheless advection is a more likely alternative food source.

不过水平对流是一种更有可能的食物替代来源.

To transport ( a substance ) by advection.

平流输送用平流输送 ( 物质 )

Over Japan and the Sea of Okhotsk, the dominant anomalous positive horizontal advection of temperature balanced the abnormal non-adiabatic cooling and the abnormal cooling caused by weak upward motion, causing and maintaining these unusually high temperatures in summer.

在日本和鄂霍茨克海地区，正的温度平流异常起主导作用，平衡了异常的非绝热冷却和由于微弱上升运动造成的异常冷却，从而引起并利于维持这些地区夏季异常高温。

Application of amendment to phase-change scheme in scalar advection of GRAPES model

相变修正方案在GRAPES模式标量平流中的应用

On June 6, the wonder of colorful advection fog appeared near Qingdao Number Three Bathing Beach.

6月6日, 在青岛第三海水浴场附近出现彩色平流雾奇观.

In the KOE region, the vertical advection, heat flux and horizontal advection anomalies are all important in producing the regime shift and the horizontal advection anomalies were found crucial for the time of the regime shift.

在KOE区，垂直平流、热通量和水平平流三者都起了重要作用，其中水平平流异常对这一区域海温年代际跃变出现的时间起了至关重要的作用。

The product of vertical wind profile ( VWP) which based on VAD methods are introduced detailedly. This product is useful to ascertain the type of thermal advection, the shear of vertical wind, etc.

详细介绍了基于VAD技术的垂直风廓线产品（VWP）的应用技术，此产品对确定热力平流类型、垂直风切变等都是有用的。

We must pay attention to the southern warm thermal advection as well as the northern cold thermal advection in the cold front shear type rainstorm process.

在该型暴雨的发生过程中，北部冷平流具有十分重要的作用，但南部暖平流的作用也不可忽视。

The temperature advection and generalized temperature advection of the yesterday data for the severe storm processes in boundary region of Hubei, Jiangxi and Anhui provinces in April of 1994 and 8 other cases in history, are calculated and analysed.

利用1994年4月6&7日发生在鄂、赣、皖交界地区的强风暴过程和8次历史个例，对其前一日资料作了温度平流和广义温度平流的计算分析。

The models for, forecasting advection chilling injury weather, periods of advection chilling injury weather and frost injury weather were established on the basis of atmospheric circulation and meteorological factors.

在此基础上，以寒害指标作为预报对象，选取大气环流和气象因子，分别建立了平流寒害预报模式、平流寒害出现时段预报模式和霜害预报模式。

The advection and diffusion of the pollutants were basically reasonable.

污染物在近海对流、扩散情形基本合理.

The gale was caused by the mesoscale system that the vorticity advection in upper, temperature advection in middle and lower layer, the explosively developing front cyclones.

高空涡度平流、中低空温度平流、南北两支气流相遇促使地面低压强烈发展生成新的锋面气旋是大风形成的中尺度系统；

The effect of atmospheric heating rate accounted for dominant status while the cyclone was weakening, but the effect of vorticity advection and thermal advection was secondary;

气旋减弱阶段大气加热率所起的作用占主导地位，涡度平流和温度平流作用较小；

Through numerical simulation, the performance of the GHE with groundwater advection is analyzed.

采用数值模拟方法，分析了地下水渗流对埋管换热器换热性能的影响。

Based upon Tschebyscheff functions methods are given for integrating the hydrostatic equation and the continuity equation and for computing vertical advection and vertical diffusion.

还对某些气象要素在垂直方向微商呈现间断的问题进行了分析，指出了其中存在的问题和应采取的措施。

There is strong cool advection below highs of 200 m, while the weak warm advection between the heights of 250 m and 400 m. The heat advection have significantly influence on the temperature and stratification of boundary layer;

夜间200m高度以下有较强的冷平流，在250～400m高度有较弱的暖平流，冷暖温度平流对测点上空边界层温度和层结变化有显著影响；

Simulating study on the inducing mechanism of the heat structure variation of the water surface thin layer ── effect of air cool/ warm advection

水面薄层热结构变化诱发机制的模拟研究&空气冷/暖平流效应

Adiabatic cooling, negative vorticity advection and cold advection prevented cyclone development.

绝热冷却、负涡度平流和冷平流对气旋的发展起阻碍作用。

The results showed that the development and strengthen of instability stratification in Shenyang area resulted from warm advection of Mongolia cyclone foreside, large positive vorticity region and positive vorticity advection.

结果表明：蒙古气旋前部的暖平流、大范围正涡度区和正涡度平流导致了我国沈阳地区不稳定层结的建立和加强；

Spring advection fog, radiation fog in winter.

春季为平流雾, 冬季为辐射雾.

The qualitative identification methods of Doppler radar velocity PPI pictures are introduced. The related image features of convective rainfall clouds are analyzed: ① the zero-velocity lines in the wind field related to large-scale convergence or divergence in combination with cold or warm advection;

介绍了多普勒雷达速度PPI产品图像定性识别方法，分析了与对流性降水云体有关的图像特征：①冷暖平流与大尺度辐合辐散运动相结合的零速度线；

The splitter operator method is adopted in the three-dimensional LES of waves to split the control equation into 3 parts& advection, diffusion and generation.

在三维波浪大涡模拟中采用破开算子法，控制方程分裂为对流项、扩散项和生成项三部分。

To convey horizontally by advection.

平流传递通过平流水平传递.

In this paper, we develop a non local method with temporal and spatial correlations to introduce a fractional order advection diffusion equation based on the usually used local 2_nd order advection dispersion equation.

考虑了扩散过程的时间相关和时空相关性，用非局域性的处理方法，在传统的二阶对流扩散方程基础上，得到了分数阶对流扩散方程，以此方程来描述反常扩散。